20174508544

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{11579}}^1$

素因数の和:11721

約数の個数: 80

約数和(自身を含む): 41793887520

約数和(自身を除く): 21619378976

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 83, 128, 164, 166, 256, 328, 332, 512, 656, 664, 1312, 1328, 2624, 2656, 3403, 5248, 5312, 6806, 10496, 10624, 11579, 13612, 20992, 21248, 23158, 27224, 42496, 46316, 54448, 92632, 108896, 185264, 217792, 370528, 435584, 474739, 741056, 871168, 949478, 961057, 1482112, 1742336, 1898956, 1922114, 2964224, 3797912, 3844228, 5928448, 7595824, 7688456, 15191648, 15376912, 30383296, 30753824, 39403337, 60766592, 61507648, 78806674, 121533184, 123015296, 157613348, 243066368, 246030592, 315226696, 492061184, 630453392, 1260906784, 2521813568, 5043627136, 10087254272, 20174508544]

約数ペア:

[(1, 20174508544), (2, 10087254272), (4, 5043627136), (8, 2521813568), (16, 1260906784), (32, 630453392), (41, 492061184), (64, 315226696), (82, 246030592), (83, 243066368), (128, 157613348), (164, 123015296), (166, 121533184), (256, 78806674), (328, 61507648), (332, 60766592), (512, 39403337), (656, 30753824), (664, 30383296), (1312, 15376912), (1328, 15191648), (2624, 7688456), (2656, 7595824), (3403, 5928448), (5248, 3844228), (5312, 3797912), (6806, 2964224), (10496, 1922114), (10624, 1898956), (11579, 1742336), (13612, 1482112), (20992, 961057), (21248, 949478), (23158, 871168), (27224, 741056), (42496, 474739), (46316, 435584), (54448, 370528), (92632, 217792), (108896, 185264)]